Underhill, P. (2009). Why we buy: The science of shopping update and revised for the internet, the global consumer and beyond. Simom & Schuster Paperbacks.
Chicago-referens (17:e uppl.)Underhill, Paco. Why We Buy: The Science of Shopping Update and Revised for the Internet, the Global Consumer and Beyond. Simom & Schuster Paperbacks, 2009.
MLA-referens (8:e uppl.)Underhill, Paco. Why We Buy: The Science of Shopping Update and Revised for the Internet, the Global Consumer and Beyond. Simom & Schuster Paperbacks, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.